Christopher D. Bird

Reply to Lind et al.: Insight and learning

Nathan J. Emery, Christopher D. Bird, 2009, Proceedings of the National Academy of Sciences.

Rooks Use Stones to Raise the Water Level to Reach a Floating Worm

Christopher D. Bird, N. Emery, 2009, Current Biology.

Tool-use and instrumental learning in the Eurasian jay (Garrulus glandarius)

Nicola S. Clayton, Lucy G. Cheke, Christopher D. Bird, 2011, Animal Cognition.

Erratum to: Tool-use and instrumental learning in the Eurasian jay (Garrulus glandarius)

Christopher D. Bird, N. Clayton, L. Cheke, 2011, Animal Cognition.

Using video playback to investigate the social preferences of rooks, Corvus frugilegus

Christopher D. Bird, N. Emery, 2008, Animal Behaviour.

Insightful problem solving and creative tool modification by captive nontool-using rooks

Nathan J Emery, Christopher D Bird, Christopher D. Bird, 2009, Proceedings of the National Academy of Sciences.

Rooks perceive support relations similar to six-month-old babies

Christopher D. Bird, N. Emery, 2009, Proceedings of the Royal Society B: Biological Sciences.

Insightful problem solving and creative tool modification by captive nontool-using rooks

Christopher D. Bird, N. Emery, 2009, Proceedings of the National Academy of Sciences.